This week in the world of Android saw news of a new site for those who want to fix their own gadgets, an easy way to run Android apps under Windows, and an Android trojan is out that works even when you think you're device is shut down.

That was fast. Roughly 24 hours after news emerged that an unknown number of Lenovo PCs were infected with potentially dangerous software, Microsoft released a tool that automatically removes the offending code. [Updated]

If you've ever bought a Windows PC or Android smartphone or tablet from one of the big name vendors then chances are that you are familiar - perhaps even intimately familiar if you've ever tried removing it - with crapware.

The Windows 10 Technical Preview for phones, released yesterday, will install only on a handful of Windows Phone models. But even if your device is on the compatibility list, it might not be eligible for the preview. Here's what to look for.

One of our audience members asked how to back up an Office 365 document locally. It actually turns out to be pretty simple. Read this guide for the step-by-step process (which works with other Exchange servers, too).

Welcome to the official 2013 edition of our ZDNet DIY-IT Gift Guide. This year, in honor of 2013, we present to you 14 interesting and useful products that the DIY-ITer in your life will find particularly useful, fun, or cool.

We've asked these sorts of questions before, but now we have (or are about to have) a new crop of even more capable hardware. ZDNet's David Gewirtz put it to the acid test: could either serve as his main computer?

While Amazon, Apple, and Microsoft are still keeping their new tablets under wraps, many other manufacturers chose the Berlin convention to show off their latest Android and Windows 8 slates. Here are a number of notable ones.

It's not just a service pack. Windows 8.1 is filled with dozens of significant improvements, large and small, that improve its usability. The built-in apps also get some major upgrades and additions. Is this enough to silence the skeptics?

HTC is one launching their high end 8X device with Windows Phone 8, likely on every major US wireless carrier. The smartphone has great design elements, but lacks on additional features when compared to Nokia's high end device.

Fans eager to get their hands on Microsoft's Surface have been streaming through the doors of the company's pop-up store in New York's Times Square, where the tablet seems to have been given a cautious thumbs-up.

Microsoft's Robbie Bach gives details on a new platform called Windows Phone that features a mobile app store. The company also unveiled updates to Zune HD and Xbox 360, including the ability to stream HD video to Microsoft's gaming console.

ZDNet correspondent Sumi Das and senior editor Sam Diaz share the early word on the highly anticipated OS set for release in late October. Diaz also previews upcoming conferences, including CTIA, and considers the question where does Web 2.0 go from here?

Is an incompatible program or device standing between you and a Windows 7 upgrade? If you’re willing to pay for Windows 7 Professional, Enterprise, or Ultimate edition, you might be able to use a clever solution to fool that old code into running in the new OS. Windows XP Mode lets you run Windows XP applications in a virtual machine right on the Windows 7 desktop. ZDNet's Ed Bott provides a close-up look at how XP Mode works.

A terabyte here, a terabyte there, and pretty soon you're talking about some pretty serious information overload. It doesn't matter how well organized you are, once your collection of data files and other digital stuff gets big enough, you're going to need some help finding things. ZDNet's Ed Bott takes a closer look at the search tools in Windows 7 and shows you how you can use them to make your digital life a little more organized.

Sociologists say that multitasking has shortened our attention spans and made us more easily distracted than ever. Apparently it's a losing battle. With 4GB or more of memory in the standard Windows PC these days, it's possible to open dozens of windows at once. The challenge for Windows users is how to keep track of all those windows without losing focus. ZDNet's Ed Bott shows you how some new features in Windows 7 can help you multitask more effectively.

Moving, resizing, and arranging windows on the screen has been one of those things we've done since the earliest days of Microsoft Windows. If you've used Windows since, oh, 1995 or so, you know the maximize, minimize, and restore buttons like the back of your hand. But those old-school tools just don't cut it with today's big monitors and high-definition resolutions. ZDNet's Ed Bott shows you a cool new set of gestures and shortcuts to help you move, resize, and arrange windows more intelligently.

Will Microsoft's Windows 7 succeed where Vista failed? The new operating system offers a new graphical user interface, more reliable power management tools, and better search, but it still might not offer enough to convince PC users to buy it. ZDNet Correspondent Sumi Das talks to Larry Dignan, editor in chief of ZDNet, and Ed Bott, ZDNet's Microsoft Report blogger, about Windows 7's pros and cons.

At the Intel Developer Forum in San Francisco, Intel CEO Paul Otellini shows off some new consumer devices optimized to run Intel processors and various versions of Windows 7. He also looks at the company's next-generation microprocessor, Sandy Bridge, running on Windows 7.